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Safety

Introduction

Before getting started, read these instructions and save 
them for future reference.

Do not drop or hit your keyboard. 
Do not use your keyboard in a location that is subject 
to strong vibrations because vibration may damage 
your keyboard. 
Do not disassemble or modify the product in any way. 
Disassembly or modification may void your warranty 
and could damage your keyboard leading to a fire or 
electric shock. 
Do not use or store your keyboard in damp locations.
Liquid entering the product may cause damage or lead 
to fires or electric shock. 
Do not insert metal objects, such as coins or paper 
clips, into your keyboard. 
Your keyboard is for general device use. Do not use 
your keyboard with a device that requires exceptional 
reliability, especially if a breakdown or malfunction of 
might jeopardize life or health, such as aerospace 
equipment, atomic power control system, traffic-related
equipment, transportation equipment, industrial robotics,

Congratulations on your purchase of a high-quality product. 
Your BT-668 wireless keyboard represents the state of the 
art in wireless keyboard design and is designed for reliable 
and trouble-free performance. 

1

Bluetooth Trackball Keyboard 
Model:BT668

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